参数资料
型号: AD8648ARZ-REEL7
厂商: Analog Devices Inc
文件页数: 14/20页
文件大小: 0K
描述: IC OPAMP GP R-R 24MHZ LN 14SOIC
标准包装: 1,000
放大器类型: 通用
电路数: 4
输出类型: 满摆幅
转换速率: 11 V/µs
增益带宽积: 24MHz
电流 - 输入偏压: 0.3pA
电压 - 输入偏移: 600µV
电流 - 电源: 1.5mA
电流 - 输出 / 通道: 120mA
电压 - 电源,单路/双路(±): 2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 带卷 (TR)
Data Sheet
AD8646/AD8647/AD8648
SPECIFICATIONS
VSY = 5 V, VCM = VSY/2, TA = +25oC, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = 0 V to 5 V
0.6
2.5
mV
40°C < TA < +125°C
3.2
mV
Offset Voltage Drift
ΔVOS/ΔT
40°C < TA < +125°C
1.8
7.5
μV/°C
Input Bias Current
IB
0.3
1
pA
40°C < TA < +85°C
50
pA
40°C < TA < +125°C
550
pA
Input Offset Current
IOS
0.1
0.5
pA
40°C < TA < +85°C
50
pA
40°C < TA < +125°C
250
pA
Input Voltage Range
VCM
0
5
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 5 V
67
84
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, VO = 0.5 V to 4.5 V
104
116
dB
Input Capacitance
Differential
CDIFF
2.5
pF
Common Mode
CCM
6.7
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
IOUT = 1 mA
4.98
4.99
V
40°C < TA < +125°C
4.90
V
IOUT = 10 mA
4.85
4.92
V
40°C < TA < +125°C
4.70
V
Output Voltage Low
VOL
IOUT = 1 mA
8.4
20
mV
40°C < TA < +125°C
40
mV
IOUT = 10 mA
78
145
mV
40°C < TA < +125°C
200
mV
Output Current
Isc
Short circuit
±120
mA
Closed-Loop Output Impedance
ZOUT
At 1 MHz, AV = 1
5
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 2.7 V to 5.5 V
63
80
dB
Supply Current per Amplifier
ISY
1.5
2.0
mA
40°C < TA < +125°C
2.5
mA
Supply Current Shutdown Mode
ISD
Both amplifiers shut down,
VIN_SDA and VIN_SDB = 0 V
10
nA
40°C < TA < +125°C
1
μA
SHUTDOWN INPUTS (AD8647)
Logic High Voltage (Enabled)
VINH
40°C < TA < +125°C
+2.0
V
Logic Low Voltage (Power-Down)
VINL
40°C < TA < +125°C
+0.8
V
Logic Input Current (Per Pin)
IIN
40°C < TA < +125°C
1
μA
Output Pin Leakage Current
40°C < TA < +125°C (shutdown active)
1
nA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
11
V/μs
Gain Bandwidth Product
GBP
24
MHz
Phase Margin
m
74
Degrees
Settling Time
ts
To 0.1%
0.5
μs
Amplifier Turn-On Time (AD8647)
ton
25°C, AV = 1, RL = 1 kΩ (see Figure 44)
1
μs
Amplifier Turn-Off Time (AD8647)
toff
25°C, AV = 1, RL = 1 kΩ (see Figure 45)
1
μs
Rev. E | Page 3 of 20
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